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-rw-r--r--include/qpdf/PointerHolder.hh12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/qpdf/PointerHolder.hh b/include/qpdf/PointerHolder.hh
index b51ca7ba..f0a513cb 100644
--- a/include/qpdf/PointerHolder.hh
+++ b/include/qpdf/PointerHolder.hh
@@ -22,16 +22,16 @@
#ifndef POINTERHOLDER_HH
#define POINTERHOLDER_HH
-#ifndef POINTERHOLDER_TRANSITION
+#define POINTERHOLDER_IS_SHARED_POINTER
-// In qpdf 11, #define POINTERHOLDER_IS_SHARED_POINTER
+#ifndef POINTERHOLDER_TRANSITION
-// In qpdf 11, issue a warning:
// #define POINTERHOLDER_TRANSITION 0 to suppress this warning, and see below.
-// # warn "POINTERHOLDER_TRANSITION is not defined -- see qpdf/PointerHolder.hh"
+// See also https://qpdf.readthedocs.io/en/stable/design.html#smart-pointers
+# warn "POINTERHOLDER_TRANSITION is not defined -- see qpdf/PointerHolder.hh"
-// undefined = define as 0; will also issue a warning in qpdf 11
-// 0 = no deprecation warnings
+// undefined = define as 0 and issue a warning
+// 0 = no deprecation warnings, backward-compatible API
// 1 = make PointerHolder<T>(T*) explicit
// 2 = warn for use of getPointer() and getRefcount()
// 3 = warn for all use of PointerHolder